155193760

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15901}}^1$

素因数の和:15977

約数の個数: 48

約数和(自身を含む): 372679272

約数和(自身を除く): 217485512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 15901, 31802, 63604, 79505, 127208, 159010, 254416, 318020, 508832, 636040, 969961, 1272080, 1939922, 2544160, 3879844, 4849805, 7759688, 9699610, 15519376, 19399220, 31038752, 38798440, 77596880, 155193760]

約数ペア:

[(1, 155193760), (2, 77596880), (4, 38798440), (5, 31038752), (8, 19399220), (10, 15519376), (16, 9699610), (20, 7759688), (32, 4849805), (40, 3879844), (61, 2544160), (80, 1939922), (122, 1272080), (160, 969961), (244, 636040), (305, 508832), (488, 318020), (610, 254416), (976, 159010), (1220, 127208), (1952, 79505), (2440, 63604), (4880, 31802), (9760, 15901)]